You can classify them in what phase they are in: solid, liquid, gas
You can classify them in Sizes
You can classify them by the number of moons they have
You can classify them by distance from the sun
You can classify them all as heliocentric or orbiting/circling around the sun
You can classify them by color
I know it makes ATP but that's a type of energy is that an ok answer or does it have to be more specific ??/
the nostrils catch the big dust particles while the small and escaped dust particles from nostrils stick to the mucous
